Date: Fri, 09 Oct 2009 09:35:30 +0300 From: Alexander Motin <mav@FreeBSD.org> To: "James R. Van Artsdalen" <james-freebsd-current@jrv.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: [Fwd: siis change] Message-ID: <4ACED9B2.8060203@FreeBSD.org> In-Reply-To: <4ACEACA3.9070702@jrv.org> References: <4ACEACA3.9070702@jrv.org>
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James R. Van Artsdalen wrote: > mav committed a change to SIIS so I tried it but still get the device > hangs as before. I should have sent that report here instead of to mav. This change just fixes possible problem inside CAM, but it does nothing to hardware. > ch1 below connects to a port multiplier and ada3 is one of four disks > behind ch1. > > Does disk ada3 ever get reset, or the link between the port multiplier > behind ch1 and ada3 ever get reinitialized? I'm wondering if the port > multiplier is the key. I don't see any code to reset ada3 or at least > stop/start its PHY link. It is still not implemented. I am going to start working on it now. > It takes about an hour for "zpool scrub" to hang. > > -------- Original Message -------- > Subject: siis change > Date: Thu, 08 Oct 2009 18:06:01 -0500 > From: James R. Van Artsdalen > To: Alexander Motin > > I see you dropped in a change to SIIS for timeout errors so I decided to > give it a try. It still hangs for me. > > FreeBSD pygmy.housenet.jrv 9.0-CURRENT FreeBSD 9.0-CURRENT #1 r197866: > Thu Oct 8 16:32:18 CDT 2009 > root@pygmy.housenet.jrv:/usr/obj/usr/src/sys/GENERIC amd64 > > I did a "zpool scrub" which was generally running at about 100 MB/s > across six 2 TB disks in two port multiplier enclosures. > > Here is that complete /var/log/messages. > > Oct 8 17:47:54 pygmy kernel: siisch1: Timeout on slot 3 > Oct 8 17:47:54 pygmy kernel: siisch1: siis_timeout is 00000000 ss > 00028308 rs 00028308 es 00000000 sts 80032000 serr 00000000 > Oct 8 17:47:54 pygmy kernel: siisch1: ready wait time=0ms > Oct 8 17:47:54 pygmy kernel: siisch1: ready wait time=1ms > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Command timed out > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:47:54 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:48:24 pygmy kernel: siisch1: Timeout on slot 29 > Oct 8 17:48:24 pygmy kernel: siisch1: siis_timeout is 00040000 ss > 60000007 rs 60000007 es 00000000 sts 801d2000 serr 00000000 > Oct 8 17:48:24 pygmy kernel: siisch1: ready wait time=1ms > Oct 8 17:48:24 pygmy kernel: siisch1: ready wait time=0ms > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Command timed out > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Request Requeued > Oct 8 17:48:24 pygmy kernel: (ada3:siisch1:0:2:0): Retrying Command -- Alexander Motin
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